http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Isotopic and chemical composition of inorganic and organic water-quality samples from the Mississippi River basin, 1997-98
by William A. Battaglin [and others] ; prepared in cooperation with the U.S. Environmental Protection Agency, Gulf of Mexico Program.
Title from title screen (viewed Oct. 17, 2008).
Mode of access: Internet from the USGS web site. Address as of 10/17/08: http://co.water.usgs.gov/midconherb/pdf/WRIR01-4095.pdf ; current access available via PURL.
Water-resources investigations report ; 01-4095